2. When female cowbirds raised in isolation in soundproof chambers were exposed to recordings of male song, they responded by exhibiting mating behavior. 当雌性牛鹂被单独养在隔音的房间里,听到雄性歌声的录音,它们就会表现出求偶行为。
3. The camera now had to be encased in a big, clumsy, unmovable soundproof box. 照相机现在必须装在一个笨重的、不能移动的隔音箱里。
4. This material is soundproof. 这材料是隔音的。
5. Did you say that booth was soundproof? 你说那录音间是闭音的?